63 lines
1.6 KiB
C#
63 lines
1.6 KiB
C#
///Credit ChoMPHi
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///Sourced from - http://forum.unity3d.com/threads/accordion-type-layout.271818/
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using System.Collections;
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namespace UnityEngine.UI.Extensions.Tweens
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{
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// Tween runner, executes the given tween.
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// The coroutine will live within the given
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// behaviour container.
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internal class TweenRunner<T> where T : struct, ITweenValue
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{
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protected MonoBehaviour m_CoroutineContainer;
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protected IEnumerator m_Tween;
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// utility function for starting the tween
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private static IEnumerator Start(T tweenInfo)
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{
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if (!tweenInfo.ValidTarget())
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yield break;
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float elapsedTime = 0.0f;
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while (elapsedTime < tweenInfo.duration)
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{
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elapsedTime += tweenInfo.ignoreTimeScale ? Time.unscaledDeltaTime : Time.deltaTime;
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var percentage = Mathf.Clamp01 (elapsedTime / tweenInfo.duration);
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tweenInfo.TweenValue (percentage);
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yield return null;
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}
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tweenInfo.TweenValue (1.0f);
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tweenInfo.Finished();
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}
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public void Init(MonoBehaviour coroutineContainer)
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{
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m_CoroutineContainer = coroutineContainer;
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}
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public void StartTween(T info)
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{
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if (m_CoroutineContainer == null)
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{
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Debug.LogWarning ("Coroutine container not configured... did you forget to call Init?");
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return;
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}
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if (m_Tween != null)
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{
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m_CoroutineContainer.StopCoroutine (m_Tween);
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m_Tween = null;
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}
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if (!m_CoroutineContainer.gameObject.activeInHierarchy)
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{
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info.TweenValue(1.0f);
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return;
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}
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m_Tween = Start (info);
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m_CoroutineContainer.StartCoroutine (m_Tween);
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}
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}
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} |